Home / 10,074.51-15,111.80-3,500.75

Finding the Fourth Proportional to 10,074.51, 15,111.80 and 3,500.75

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Solution

The fourth proportional to 10,074.51, 15,111.80 and 3,500.75 is: 5,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.51 : 15,111.80 = 3,500.75 : x
  2. Step 2: Convert to fraction form
    10,074.51/15,111.80 = 3,500.75/x
  3. Step 3: Cross multiply
    10,074.51x = 15,111.80 × 3,500.75
  4. Step 4: Simplify right side
    10,074.51x = 52,902,667.25
  5. Step 5: Solve for x
    x = 52,902,667.25/10,074.51
  6. Step 6: Final answer
    x = 5,251.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.